Self-bumping coal-bucket



UNITED STATES PATENT OFFICE.

JN0. VVST, OF PHILADELPHIA, PENNSYLVANIA,

SELF-DUMPING COAL-BUCKET.

Specification of Letters Patent No. 20,912, dated July 13, 1858.

To all whom t may concern.'

Be it known that I, JOHN. VST, of the city of Philadelphia and State of Pennsylvania, have invented a new and useful I mprovement in the Construction of Dumping Coal-Buckets; and I do hereby declare the following to be a full and exact description of the same, reference being had to the annexed drawings, making a part of this specification, in which Figure 1 represents a vertical section of my improved bucket, Fig. 2 a side view, Fig. 3 is a t-op view, and Figs. 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, and 14 are views of detached parts hereinafter referred to.

The object of my improvement is the construction of a self-dumping coal bucket, to be used in removing coal from one place to another, and discharging it at the place of discharge without requiring the aid of an assistant at the place of discharge.

A, Fig. 1, represents an iron coal bucket with a handle B, B, B, which is attached to the bucket A by pivots at C and D, below the center of gravity of the bucket; cl is the aperture or hole in the handle to which the hook of the hoisting tackle is to be attached.

G, H, is a vertical sliding rod which slides through slots at g and 7c, fixed on the sides of the handle B, B, B.

A small sliding bolt, L, is attached to the side of the handle, B, B, B. This bolt D is shown in Figs. 5, 6 and 7. It has a slot M through which the upper part of the sliding rod, G, H, slides. The upper part of the sliding rod G, H, is wedge-shaped, and when slid up through the slot m, the bolt L is pushed back from the bucket, and when the sliding rod descends through the slot m, a spiral spring S, S, which surrounds the bolt, presses the bolt into a small aperture in the upper part of the bucket, and retains it there until the wedge-shaped termination of the rod G, H, is slid down through the slot m, and opens the bolt. Figs. 10, 11, and 12, show the pieces by which the pivots secure the handles to the bracket. Figs. 8 and 9 show the slotted pieces n and a through which the vertical sliding rod slides.

The operation of my improved bucket is as follows. The bucket A is first placed with its bottom downwards, and a small bolt is slid into the aperture in the top of the bucket. The bucket is thus retained in a vertical position, with its bottom down, until it is filled.

The bucket, being filled, is elevated by the tackle; as it is elevated the attendant depresses with his foot the sliding rod, G, H, thereby permitting the spring bolt, L, to slide in and at the same time he opens the upper bolt with his hand. The bucket is retained in a proper position with its bottom downward until the lower end of the vertical rod, G, H, touches the pile or surface on which the coa] is discharged, and then immediately the rod G, H, is pushed up, and opens the bolt L, vand the center of gravity of the bucket being above the points of attachment of the handle, B, B', B, of the bucket at C and D, the bucket tilts over and discharges the coal, and is then elevated bott-om upwards, and returned to the place for loading the bucket, where the bucket is replaced in its first position, and the same operation is again repeated. Thus the bucket is a self dumping bucket, requiring no attendant at the place of deposit.

Having thus described my improvement, what I claim as my invention, and desire to secure by Letters Patent is- The employment of the handle, B, B, B, attached by pivots below the center of gravity of the bucket, in combination with the sliding rod, Gr, H, and the spring bolt L, or their equivalents, arranged and operating substantially as above described.

JOHANN wsT.

Vitnesses:

J. H. B. JENKINS, GEORGE STI'rEs, J r, 

